#212D8F#212D8F

#212D8F is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.160 H 270.3°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#212D8F
RGB	rgb(33, 45, 143)
HSL	hsl(233, 63%, 35%)
HSV	hsv(233, 77%, 56%)
CMYK	cmyk(76.9%, 68.5%, 0%, 43.9%)
CIE-LAB	lab(24.27, 31.14, -55.36)
CIE-LCH	lch(24.27, 63.51, 299.36°)
OKLab	oklab(35.97% 0.0008 -0.1602)
OKLCH	oklch(35.97% 0.16 270.3)
XYZ	xyz(6.5218, 4.1826, 26.4449)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212D8F #8F8321

analogous

#21648F #212D8F #4C218F

triadic

#212D8F #8F212D #2D8F21

tetradic

#212D8F #8F2164 #8F8321 #218F4C

square

#212D8F #8F2164 #8F8321 #218F4C

split-complementary

#212D8F #8F4C21 #648F21

monochromatic

#0A0E2C #161D5D #212D8F #2C3DC1 #5362D7

Accessibility & contrast

On white

11.43

#212D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#212D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212D8F

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212D8F	#FFFFFF	#000000	##FFFFFF
##212D8F	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00348D

Tritanopia (blue-blind)

#00475A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #212d8f;
/* rgb */ color: rgb(33, 45, 143);
/* oklch */ color: oklch(36.0% 0.160 270.3);

Tailwind

colors: {
  custom: {
    50: '#6f66b1',
    500: '#212d8f',
    950: '#000000',
  },
}

SCSS

$custom: #212d8f;
$custom-light: #6f66b1;
$custom-dark: #000000;

JSON

{
  "hex": "#212d8f",
  "rgb": {
    "r": 33,
    "g": 45,
    "b": 143
  },
  "hsl": {
    "h": 233.455,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.35969,
    "c": 0.16017,
    "h": 270.3
  },
  "luminance": 0.04183
}

Semantic roles & 50–950 ramp

primary

#212D8F

secondary

#BBAF51

accent

#D442E6

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #212D8F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →